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Exercise 2.5 LEC #12. Class 12 maths2025 || ex 2.5 Class 12 maths NBF

Exercise 2.4 LEC #09.Class 12 maths2025 || ex 2.3 Class 12 maths NBF

Exercise 4.1 LEC #02 Class 9 maths || NBF New Book 2025 || ex 4.1 Class 9 maths NBF

Exercise 4.3 LEC #3. class 11 NBF class 11 NBF National book foundation

Exercise 4.1 LEC #1. class 11 NBF class 11 NBF National book foundation

Exercise 1.4 Q# 7,8,9,10 LEC #13. class 11 NBF class 11 NBF National book foundation

EXERCISE 1.3 Q #4(i,ii,iii,iv) .LEC #10. CLASS 11 NBF | NATIONAL BOOK FOUNDATION